I am conducting my PhD research and I would like to do some onsite field measurements which include temperature, relative humdity and global radiation. I plan to do these measurements for long time period ( 15 day) ... Any suggestions for a good affordable ones ?!
Dear Wesam:
The option of Mr. Liu seems to be very fair, the HOBO seems to be a robust device to work with measurements outdoors on-site.
In addition to it, I want to share a little of my experience:
When I had to take daily measurements of the Total Solar Global Irradiance, outdoors, on-site, I used an Apogee Pyranometer, it is a very handy equipment, very transportable, easy to set up on almost any surface (you can order it with its leveling pate), and reliable enough, and very affordable.
I recomend you the SILICON-CELL option
You can plug the output of the pyranometer to a datalogger, and leave it record the date for several hours
You can calibrate it with a simple software they have up on their website. And, if you can get access to a nearby meteorological weather station you can check your measurements with the constant-recorded station's data.
https://www.apogeeinstruments.com/pyranometer/
I think it was around USD 300.00 , that was the past, not sure now though
Regards ! :)
I have the same situation. Did anyone try to make it with Arduino?
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